Cita APA (7th ed.)
Heywood, A. (2007). Politics (3rd ed.). Palgrave.
Cita Chicago (17th ed.)
Heywood, Andrew. Politics. 3rd ed. New York: Palgrave, 2007.
Cita MLA (9th ed.)
Heywood, Andrew. Politics. 3rd ed. Palgrave, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.